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This article exploits spatial diversity for jamming to prevent wiretapping in the extreme case in which an eavesdropper is located near the source and a common jamming signal is unavailable. To address this challenge, the jamming signal is allowed to carry a random binary message. Then, it is proposed that the active intermediate node transmits this jamming signal and the decoding of this signal at...
Motivated by the recent works on multihop diversity, this paper presents a crosslayer approach to design a multihop transmission protocol for wireless adhoc networks. We consider a transmission protocol for a multihop wireless network that does not restrict its transmission range within one hop. In the crosslayer design approach, we adopt diversity gain in the physical layer, automatic request for...
An ad hoc network is the cooperative engagement of a collection of mobile nodes without the required intervention of any centralized access point or existing infrastructure. Ad hoc networks generally use a wireless radio communication channel. So they are vulnerable to many attacks. In this paper, we have developed an distributed intrusion detection system (IDS) based on the model presented by Yonguang...
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